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Always use the 16-bit tMOVgpr2gpr instead of the 32-bit t2MOVr.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78549 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2009-08-10 02:06:53 +00:00
parent ff4bc460c5
commit 09d97354ed
1 changed files with 1 additions and 2 deletions
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3
lib/Target/ARM/Thumb2InstrInfo.cpp
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@ -337,8 +337,7 @@ int llvm::rewriteT2FrameIndex(MachineInstr &MI, unsigned FrameRegIdx,
bool isSP = FrameReg == ARM::SP; bool isSP = FrameReg == ARM::SP;
if (Offset == 0) { if (Offset == 0) {
// Turn it into a move. // Turn it into a move.
unsigned NewOpc = isSP ? ARM::tMOVgpr2gpr : ARM::t2MOVr; MI.setDesc(TII.get(ARM::tMOVgpr2gpr));
MI.setDesc(TII.get(NewOpc));
MI.getOperand(FrameRegIdx).ChangeToRegister(FrameReg, false); MI.getOperand(FrameRegIdx).ChangeToRegister(FrameReg, false);
MI.RemoveOperand(FrameRegIdx+1); MI.RemoveOperand(FrameRegIdx+1);
return 0; return 0;